Non-Invasive paper-based study on memory and concentration The study requires 30 minutes to complete and a 2-minute question to complete via e-mail on the following day. Participants will be paid $10 cash for the first part, $5 amazon.com card for answering the email part and will be eligible for a $75 Amazon.com gift card if they do well The study will be on Wed May 26th At 8:30am, 9:30, 10:30, 11:30, 12:30pm, 1:30 and 3:30 and 4:30. Just show up at the room on time to participate. Building 420 (psychology building) Room 147 in the main quad